19267171

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 6860189

約数列:

[1, 7, 11, 17, 41, 77, 119, 187, 287, 359, 451, 697, 1309, 2513, 3157, 3949, 4879, 6103, 7667, 14719, 27643, 42721, 53669, 67133, 103033, 161909, 250223, 469931, 1133363, 1751561, 2752453, 19267171]

約数ペア:

[(1, 19267171), (7, 2752453), (11, 1751561), (17, 1133363), (41, 469931), (77, 250223), (119, 161909), (187, 103033), (287, 67133), (359, 53669), (451, 42721), (697, 27643), (1309, 14719), (2513, 7667), (3157, 6103), (3949, 4879)]